Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:09:46

Orbital Elements for GC16657
WDS: GC16657 WDS ID/Discoverer
P: 3.710 Orbital period (years)
a: 0.00474 Semi-major axis (arcseconds)
i: 63.18 Inclination (degrees)
Ω: 20.2 Longitude of ascending node (degrees)
T: 1980.435 Epoch of periastron passage (year)
e: 0.297 Eccentricity
ω: 238.0 Longitude of periastron (degrees)
Start-Year: 2024.0 Year
End-Year: 2026.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for GC16657
Position: 121146.05+231921.2 Epoch-2000 right ascension and declination
WDS-ID: 12118+2319 WDS designation
Discoverer Code: GC16657 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 105982 HD catalog number
Hipparcos number: 59459 Hipparcos catalog number
V1: 6.74 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 1991 Date of last observation
Orbit grade: 9 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for GC16657



WDS 6th Orbit including measures of GC16657

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of GC16657
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.002    246.6
-------------------------
2024.0     0.003    154.5
2025.0     0.002    246.6






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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